I just added one myself. I'm waiting on the bracket, but in the mean time, I just have it stuck to the trunk floor with double-sided tape. You'll have to plug in the MOST fiber optic connectors at the junction box behind the back seat. I had to re-code the VO (add $655 and remove $693) and add SDARS to the CAPPL to get it to come alive, but fairly straight forward if you've done any coding with a cheap USB K+CAN adapter.
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